ST2189 Description
The ST2189 is an 8-bit dual supply level translator which provides the level shifting capability to allow data transfer in a multi-voltage system. Externally applied voltages, VCCB and VCCA, set the logic levels on either side of the device. Its architecture allows bidirectional level translation without a control pin.
ST2189 Key Features
- VCCA can be ≥ VCCB or VCCA can be ≤VCCB Partial power down support
- when VCCB is grounded, all the outputs will automatically go to high impedance. Low quiescent current (5 µA) ESD perform
- ±4 kV HBM (human body model)
- when VCCB supply is grounded, all I/Os go to high impedance automatically, with very low quiescent current on VCCA suppl